institution 機(jī)構(gòu)

　　7. I was moved and grandpa was equally_____. Rarely had I seen him so worked-up.

　　A. infected B. affected C. inflicted D. afflicted

　　inflict (自我)折磨

　　afflict 折磨，使痛苦(外界的)

　　ease 輕松

　　disease 疾病

　　lease 租金

　　release 釋放

　　please 高興

　　crease 皺紋，皺褶

　　8. Education is ____ for the development of a country.

　　A.indispensable B.accountable C.deliberate D.deficient

　　indispensable a.不可缺少的 n.不可缺少之物

　　accountable 可計(jì)算的

　　account for 解釋?zhuān)�占多大比�?/P>

　　solar system 太陽(yáng)系

　　expand 膨脹

　　black hole 黑洞

　　gravity 重力

　　balance 平衡

　　collapse 崩塌

　　collapse 崩潰，坍塌

　　elapse (時(shí)間)流逝

　　lapse 墮落

　　relapse 舊病復(fù)發(fā)，回復(fù)原狀

　　deliberate 故意的，深思熟慮的

　　intention 故意，意圖，目的

　　intentional 故意的

　　9. Everybody______ in the hall where they were welcomed by the secretary.

　　A. assemble B. accumulated C. piled D. joined

　　accumulate 積累

　　gather 收集(到一起)，收割(莊稼)

　　collect 收集(帶有某種目的的收集)

　　pile 堆到一起

　　compile 匯編，編輯